The present disclosure relates generally to a coupling assembly made up of a male fluid coupler and a female fluid coupler for a fluid line. The male and female fluid couplers are closed to flow in the uncoupled state and are open to flow when coupled. The male fluid coupler can include an alignment compensation arrangement that can adjust for any initial misalignment between the male and female fluid couplers. The alignment compensation arrangement can function as a universal connection joint to allow the male fluid coupler to universally pivot and move radially.
F16L 37/52 - Raccords universels, c. à d. avec une liaison mécanique permettant un mouvement angulaire ou un réglage des axes des parties raccordées dans une direction quelconque
F16L 37/35 - Accouplements du type à action rapide avec moyens pour couper l'écoulement du fluide avec un obturateur dans chaque extrémité de tuyau avec deux clapets dont l'un au moins est ouvert automatiquement au moment de l'accouplement au moins un des clapets possédant un canal axial communiquant avec des ouvertures latérales
2.
NETWORK INTERFACE WITH DEACTIVATABLE AUTOMATIC BYPASS FUNCTIONALITY BETWEEN TWO NETWORK CONNECTORS
The invention relates to network interface (1; 100) comprising a first network connector (3), a second network connector (4), and a connector-to-connector bypass unit (20). The bypass unit (20) comprises a monostable switching unit (30) for enabling a bypass connection between the first network connector (3) and the second network connector (4) in a stable state and for disabling the bypass connection in a non-stable state. In order to exhibit a high flexibility in use, the bypass unit (20) further comprises a bistable switching unit (40), wherein the bistable switching unit (40) breaks, in a breaking state, the bypass connection. The invention further relates to an automation controller module (200) with such a network interface (1; 100).
The invention relates to a system for electrically connecting two controller system modules (1) that are mounted side by side on a rail for holding controller system modules. The objective of the invention is to provide a system for connecting controller system modules (1) that is cost-effective, space-saving, and allows easy installation. This objective is solved by a system comprising a connector (3) comprising a connector housing, which is connectable to mounting portions (8,12) of the two controller system modules (1), thereby connecting the controller system modules electrically and mechanically.
The present invention relates to a mounting system for detachably fixing a top unit (7) onto a housing of an electronic controller module (2) mountable on a standardized equipment rail (1) for holding electronic controller modules (2,3,4). The problem to be solved is to provide a mounting system which is easy to handle. The above problem is solved by a mounting system, which comprises a mechanical engagement mechanism for pivotable mechanical engagement of the top unit (7) with the electronic controller module (2), and a magnetic retaining mechanism for releasably retaining the top unit (7) in a swiveled-in position.
Disclosed in the present invention are a manifold assembly and a heat exchanger. The manifold assembly includes a manifold and a connecting tube assembly. The connecting tube assembly includes an adapter and a steering member. The adapter includes: a tubular part located outside the manifold; and a step part protruding inward from the inner surface of the tubular part at the end portion of the tubular part facing the manifold. The steering member includes: an end wall, a connecting wall extending from the end wall along a direction intersecting the axial direction of the manifold, and a step part protruding outward from the connecting wall at the end portion of the connecting wall away from the end wall. The steering member is inserted into a through hole of the manifold by means of an inner hole of the adapter; the side of the step part of the steering member facing the end wall abuts against the step part of the adapter; and the part of the connecting wall inserted into the manifold is provided with openings that penetrate through the connecting wall. According to the manifold assembly of the present invention, direct impact of a fluid from an inlet on a flat tube is avoided, and the manufacturing and assembly processes are simple and the costs are low.
A system for reverse osmosis, RO, including a first RO stage (10) with a first feed inlet (11), a first brine outlet (12), and a first permeate outlet (13); a second RO stage (20) with a second feed inlet (21), a second brine outlet (22), and a second permeate outlet (23); and a pressure exchanger, PE, (40) connected between the second brine outlet (22) and the first feed inlet (11), wherein a first pressure difference Δp1 between the first brine outlet (12) and the second feed inlet (21) corresponds to a second pressure difference Δp2 between the second brine outlet (22) and the pressure exchanger (40). The invention further discloses a method for operating such a system for reverse osmosis (100).
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
7.
TUBULAR WIRE SHIELDING FOR AN EXHAUST GAS TEMPERATURE SENSOR ARRANGEMENT, EXHAUST GAS TEMPERATURE SENSOR ARRANGEMENT AND METHOD FOR ASSEMBLING AN EXHAUST GAS TEMPERATURE SENSOR ARRANGEMENT
The present invention relates to a tubular wire shielding (9) for an exhaust gas temperature sensor arrangement (1), the tubular wire shielding (9) comprising a first shielding tube (13) comprising one or more through channels for accommodating one or more wires (6a, 6b, 8a, 8b, 11 a, 11b) and/or for accommodating one or more temperature measurement sensors (7), the tubular wire shielding (9) furthermore comprising a second shielding tube (14) radially surrounding the first shielding tube (14). It is an object of the invention to provide a tubular wire shielding (9) and an exhaust temperature sensor arrangement (1) which are of good mechanical stability. The object is solved in that the tubular wire shielding (9) comprises a first tube adhesive layer (15) arranged interposed between the first shielding tube (13) and the second shielding tube (14), the first tube adhesive layer (15) fixing the first shielding tube to the second shielding tube (14). Furthermore, the object is solved by an exhaust gas temperature sensor arrangement (1), preferably comprising such a wire shielding (9), and a method for assembling the exhaust gas temperature sensor arrangement (1).
G01K 1/08 - Dispositifs de protection, p.ex. étuis
G01K 7/18 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments résistifs l'élément étant une résistance linéaire, p.ex. un thermomètre à résistance de platine
G01K 13/02 - Thermomètres spécialement adaptés à des fins spécifiques pour mesurer la température de fluides en mouvement ou de matériaux granulaires capables de s'écouler
A connector system includes a fitting body (104) and a union nut (106). A cutting ring (102) is disposed proximate within the fitting body and union nut. The cutting ring includes a first end (136) engaging with the fitting body and having at least one cutting edge, a second end engaging with the union nut, and a radially extending collar (140) disposed between the first end and the second end. The collar having an annular radial surface facing the first end and an annular groove (144) is defined within the radial surface. A cylindrical outer surface having a first diameter is disposed between the radial surface and the first end, and a transition area is defined from the outer surface towards the radial surface. The transition area being angled radially inward such that the transition area has a second diameter that is less than the first diameter. An elastomeric seal (146) is disposed within the annular groove.
F16L 19/10 - Raccords dans lesquels les surfaces d'étanchéité sont maintenues en contact par un organe, p.ex. un écrou à oreilles vissé dans, ou vissé sur une des parties du raccord avec segments métalliques qui mordent dans la paroi du tuyau le profil du segment étant déformé
9.
METHOD FOR CONTROLLING A TEMPERATURE INFLUENCING SYSTEM AND TEMPERATURE INFLUENCING SYSTEM
A method for controlling a temperature influencing system (1) having a heat exchanger (2) connected to a supply pipe arrangement (3) and a fan (7) for generating an air stream (8) through the heat exchanger (2) is described, wherein a flow of a heat carrying fluid is guided through the heat exchanger (2) and a user can change the speed of the fan (7). Such a method should work with low energy consumption. To this end, when the user changes the speed of a fan (7) at the same time the flow of the heat carrying fluid through the heat exchanger (2) is adjusted to a size in which a temperature difference of the heat carrying fluid over the heat exchanger (2) is maintained at a predetermined value.
F24F 11/83 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur
F24F 11/77 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de l’apport en air traité, p.ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air en commandant la vitesse de rotation des ventilateurs
F24F 11/84 - Aménagements de commande ou de sécurité - Détails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
10.
REFRIGERANT COMPRESSOR INCLUDING DIFFUSER WITH ONE OR MORE QUARTER WAVE TUBES
This disclosure relates to a refrigerant compressor including a diffuser with one or more quarter wave tubes. The compressor is used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.
The present invention pertains to a stepper motor actuated active balancing valve for a refrigeration and/or air-conditioning application. The valve comprises a valve housing with an inlet orifice, an outlet orifice and a mounting portion, a main valve element with a main pressure balance orifice and a control element at least partially defining a pressure balance passage. Each element is slidable inside the valve housing and comprises a control surface for controlling a fluid flow between the inlet orifice and the outlet orifice and/or pressure propagation between the outlet orifice and the inside of the main valve element. The control element closes the main pressure balance orifice of the main valve element in a closed state of the valve.
Disclosed in the present invention is a heat exchanger. The heat exchanger comprises: an inlet header pipe, which is used for a heat exchange medium to flow into the heat exchanger, and comprises a first inlet header pipe portion and a second inlet header pipe portion; and heat exchange medium inlet pipes, which are respectively arranged at mutually adjacent ends of the first inlet header pipe portion and the second inlet header pipe portion and are respectively in fluid communication with the first inlet header pipe portion and the second inlet header pipe portion, wherein each heat exchange medium inlet pipe has an inlet. Since the heat exchange medium enters the inlet header pipe from the middle of the inlet header pipe, the optimization of distribution of the heat exchange medium is facilitated, and the heat exchange efficiency is increased.
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
The present invention relates to an ejector (1; 100), e.g. for a refrigerant circuit, with a primary inlet (2), a secondary inlet (7), an outlet (12), a nozzle (5), and a mixing portion (6, 10). The ejector (1; 100) comprises an actuating mechanism (30) moving a needle (20) between an opened position and a closed position. The actuation mechanism (30) comprises a piston (31) in a cylinder (35), wherein a first cylinder chamber (37) is in fluid communication with the primary inlet (2) and a second cylinder chamber (38) is in fluid communication with the first cylinder chamber (37). The second cylinder chamber (38) is in fluid communication with the secondary inlet (7) and/or the outlet (12) via a drain passage (39, 53, 54, 55, 56, 57) when a pilot valve (50) arranged in the drain passage (39, 53, 54, 55, 56, 57) is in an open state. For ensuring smooth opening and closing, the fluid communication of the second cylinder chamber (38) with the first cylinder chamber (37) is provided by an equalization passage (32), wherein a flow cross-section of the equalization passage (32) is larger than a flow cross-section of the drain passage (39, 53, 54, 55, 56, 57).
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
Connectors of metal; Manifolds of metal. Compressors. Sensors; Switches, including pressure switches. HVAC systems (heating, ventilation and air conditioning); parts of HVAC systems (heating, ventilation and air conditioning); heat pumps; part of heat pumps; heat exchangers; filter driers; expansion valves.
The invention relates to a valve (10) for regulating a flow between a first and a second port (16, 18). A valve housing (12) comprises a valve chamber (14) connected to the first and second ports (16, 18). A valve insert (26) inserted within the valve chamber (14) comprises a first cylinder (28) connected to a second cylinder (32) and a piston (34) movably arranged within the second cylinder (32). The piston (35) acts against a valve seat gasket (30). The first and said second cylinders (28, 32) are arranged axially aligned and connected by a releasable connection (44). The valve seat gasket (30) is arranged in a valve seat gasket chamber (62) formed between the first and second cylinders (28, 32) and providing a ring opening (80) for engagement of the valve seat gasket (30) with the piston (34).
F16K 1/10 - Dispositions particulières pour améliorer l'écoulement, p.ex. formes particulières des passages ou des chambres dans lesquelles la tige est inclinée par rapport à la direction générale de l'écoulement
F16K 31/50 - Moyens mécaniques d'actionnement à tige-guide filetée
F16K 27/02 - Structures des logements; Matériaux utilisés à cet effet des soupapes de levage
F16K 39/02 - Dispositifs pour relâcher la pression sur les faces d'un joint d'étanchéité dans le cas de soupapes de levage
F16K 3/24 - Robinets-vannes ou tiroirs, c. à d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation en forme de surfaces de solides de révolution avec corps de tiroir cylindrique
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
Connectors of metal; Manifolds of metal. Compressors. Sensors; Switches, including pressure switches. HVAC systems (heating, ventilation and air conditioning); parts of HVAC systems (heating, ventilation and air conditioning); heat pumps; part of heat pumps; heat exchangers; filter driers; expansion valves.
A pressure sensor arrangement includes a housing with a sensor chamber and a pressure connector with a fluid inlet opening and a fluid channel, a subassembly with an electrical connector and a pressure sensing element, and a preformed resin component with a hole and an embedded carrier structure. A method for assembling a pressure sensor arrangement includes the steps of: positioning the preformed resin component at the pressure connector such that the fluid inlet opening and the hole communicate with each other, pressing the subassembly against the preformed resin component such that the pressure sensing element communicates with the hole, fixing the housing to the subassembly, and curing the resin component to create a hermetic connection between the pressure connector and the pressure sensing element. The invention further discloses a pressure sensor arrangement including a housing with a sensor chamber and a pressure connector with a fluid inlet opening and a fluid channel, a subassembly with an electrical connector and a pressure sensing element, and a preformed resin component with a hole provided between the subassembly and the pressure connector, wherein the pressure sensor arrangement is assembled by the previously described method.
G01L 19/00 - MESURE DES FORCES, DES CONTRAINTES, DES COUPLES, DU TRAVAIL, DE LA PUISSANCE MÉCANIQUE, DU RENDEMENT MÉCANIQUE OU DE LA PRESSION DES FLUIDES - Détails ou accessoires des appareils pour la mesure de la pression permanente ou quasi permanente d'un milieu fluent dans la mesure où ces détails ou accessoires ne sont pas particuliers à des types particuliers de manomètres
The scroll compressor comprising a compressor shell (2) having a discharge outlet (4), and a discharge check valve assembly (18) including a valve housing (21) arranged at the discharge outlet (4) and provided with a metal valve seat (24), and a valve member (26) movable between a closed position and an open position. The metal valve seat (24) has a frusto-conical or toroidal sealing surface (25) and the valve member (26) has a metal sealing surface (36) being configured to cooperate with the frusto-conical or toroidal sealing surface (25) when the valve member (26) is in the closed position, the metal valve seat (24) and the valve member (26) being configured to define a linear sealing contact between the metal sealing surface (36) of the valve member (26) and the frusto-conical or toroidal sealing surface (25) of the metal valve seat (24). The valve member (26) comprises a valve stem portion (33) and a valve head portion (35) connected to the valve stem portion (33). The valve stem portion (33) includes a stem end portion (41) which is remote from the valve head portion (35). The stem end portion (41) includes a tool fixing member (42) configured to allow temporary fixing of a tooling, adapted to displace the valve member (26) in the open position during assembly process of the scroll compressor (1), to the stem end portion (41).
F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c. à d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise
F04C 23/00 - Combinaisons de plusieurs pompes, chacune étant du type à piston rotatif ou oscillant spécialement adaptées pour les fluides compressibles; Installations de pompage spécialement adaptées pour les fluides compressibles; Pompes multiétagées spécialement adaptées pour les fluides compressibles
F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p.ex. caractéristiques de structure de l'admission ou de l'échappement
A sealing structure, comprising a stuffing box (2) and a valve cover (3). The side wall of the stuffing box (2) is provided with an external thread (21) and a sealing groove (22) used for mounting a first sealing ring (4); the valve cover (3) is provided with a mounting hole; when the stuffing box (2) is mounted in the mounting hole of the valve cover (3), and the stuffing box (2) and the valve cover (3) are sealed by means of the first sealing ring (4), an axial length of a connection between the external thread (21) and the valve cover (3) is L1, and a distance between a connection position of a connecting hole section (301) and a sealing hole section (302) in the mounting hole and the lower end face of the sealing groove (22) is L2, wherein L1>L2. According to the sealing structure, the risk of hurting people due to the fact that the stuffing box (2) is ejected by the residual high pressure in the valve cover (3) can be avoided, and the stuffing box can be conveniently taken down from a shaft. Also disclosed is a valve comprising the sealing structure.
The present invention pertain to a housing assembly for use in a heat exchange system. The housing assembly comprises an aluminium housing with at least two fluid ports, wherein each fluid port is connected to a bi-metal connector, wherein the bi-metal connector comprises an inner copper layer and an outer stainless steel layer, and wherein the aluminium housing comprises connection portions for connecting the bi-metal connectors.
F16L 19/028 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé les colliers ou les brides formant partie intégrante des extrémités du tuyau les colliers ou les brides étant obtenus par déformation de la paroi des tuyaux
F16L 13/007 - Raccords de tuyaux non démontables, p.ex. raccords soudés, collés ou matés spécialement adaptés pour raccorder des tuyaux en matériaux différents
F16L 25/00 - Structure ou détails de raccords de tuyaux non prévus dans les groupes ou présentant in intérêt autre que celui visé par ces groupes
25.
HEAT EXCHANGER AND AIR CONDITIONING SYSTEM HAVING SAME
A heat exchanger having: a first heat exchanger core including a first sub-heat exchanger core and a second sub-heat exchanger core, wherein the first sub-heat exchanger core and the second sub-heat exchanger core includes heat exchange tubes, the heat exchange tubes of the first sub-heat exchanger core and the second sub-heat exchanger core are connected to each other, and orthographic projections of the first sub-heat exchanger core and the second sub-heat exchanger core on a plane where the second sub-heat exchanger core is located at least overlap partially; and a second heat exchanger core including a heat exchange tube, wherein the heat exchange tube of the second heat exchanger core is connected to the heat exchange tubes of the first sub-heat exchanger core and the second sub-heat exchanger core is disclosed. At the same incoming wind speed, the ratio of the wind resistance of the heat exchanger to the air passing through the first heat exchanger core to the wind resistance of the heat exchanger to the air passing through the second heat exchanger core is less than a predetermined value. By using the heat exchanger according to the present invention, the performance of the heat exchanger can be improved.
F28D 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p.ex. en serpentin ou en zigzag
F28D 1/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide
Disclosed in the present invention is a heat exchanger. The heat exchanger comprises: an inlet header pipe for a heat exchange medium to flow into the heat exchanger, the inlet header pipe being provided with a single inlet; and an outlet header pipe for the heat exchange medium to flow out of the heat exchanger, the outlet header pipe being provided with a plurality of header pipe outlets respectively provided on two sides of the central position in a longitudinal direction of the outlet header pipe. According to the heat exchanger in the present invention, the header pipe outlets of the outlet header pipe are respectively provided on the two sides of the central position of the outlet header pipe, so that the pressure drop in heat exchange pipes of the whole heat exchanger is effectively balanced, the distribution of a refrigerant in the heat exchanger is improved, and the performance of the heat exchanger is improved.
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
27.
A CONVERTER AND A METHOD FOR DRIVING AN ELECTRIC MACHINE
A converter (101) for driving an electric machine whose stator windings are changeable to be in a low-speed configuration or in a high-speed configuration includes a converter stage (102) for supplying stator voltages to the stator windings, and a control system (103) that controls the stator windings to be in the low-speed configuration or in the high-speed configuration. The control system deactivates the converter stage during a change between the low-speed configuration and high-speed configuration and limits torque of the electric machine so that a torque limit is higher when the stator windings are in the low-speed configuration than when the stator windings are in the high-speed configuration. As the torque limit is changed when the number of series connected turns of the stator windings is changed, unwanted current transients can be reduced.
H02P 25/18 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de moteur ou par des détails de structure caractérisés par des dispositions de circuit ou par le type de câblage avec des dispositions pour la commutation des enroulements, p.ex. par des interrupteurs mécaniques ou des relais
H02K 3/28 - Schémas d'enroulements ou de connexions entre enroulements
A refrigerant compressor includes a discharge portion and a muffler disposed at the discharge portion. The muffler includes an outer cylinder having a center axis, and a sleeve concentric with and radially inward of the outer cylinder relative to the center axis. The sleeve includes a plurality of radially extending through holes and provides a resonance cavity radially between the sleeve and the outer cylinder.
F04B 39/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
A refrigerant compressor includes a discharge portion, and a deswirler disposed at the discharge portion. The deswirler includes a hollow cylinder, which includes an inner diameter surface and a center axis. A plurality of vanes extend radially inward from the inner diameter surface toward the center axis.
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a diffuser including grooves configured to resist backflow of refrigerant. The compressor is used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.
A system for reverse osmosis, RO, and for pressure retarded osmosis, PRO, includes: a RO subsystem (10) with a high-pressure RO chamber (11) and a low-pressure RO chamber (12) separated by a RO membrane (13), the high-pressure RO chamber (11) having a RO feed inlet (14) and a brine outlet (15) and the low-pressure RO chamber (12) having a permeate outlet (16); a PRO subsystem (20) with a high-pressure PRO chamber (21) and a low-pressure PRO chamber (22) separated by a PRO membrane (23), the high-pressure PRO chamber (21) having a draw inlet (24) and a draw outlet (25) and the low-pressure PRO chamber (22) having PRO feed inlet (26) and a PRO feed outlet (27); an induction motor (30) having a stator and a rotor, wherein the rotor is mechanically connected to an input shaft of a hydraulic pump (31) configured for providing a feed solution to the RO feed inlet (14) and to an output shaft of a hydraulic motor (32) configured for receiving a draw solution from the draw outlet (25). The invention further discloses a method for operating such system for RO/PRO and to the use of such system.
B01D 61/00 - Procédés de séparation utilisant des membranes semi-perméables, p.ex. dialyse, osmose ou ultrafiltration; Appareils, accessoires ou opérations auxiliaires, spécialement adaptés à cet effet
C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
A refrigerant gas leak sensor for a HVAC system includes a housing, a gas sensor core element and mounting means. The housing has primary walls delimiting an inner volume. The gas sensor core element is arranged in the inner volume. The mounting means is configured to attach the housing to a mounting surface, wherein a first surface of a primary wall of the housing faces the mounting surface and wherein a gap is provided between the first surface and the mounting surface. An opening is formed in the housing for exposing the gas sensor core element to gases within the HVAC system, wherein the opening is provided on the first surface. The refrigerant gas leak sensor may be provided as part of an air handling unit.
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p.ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
33.
LOW EXTRACTION HNBR MATERIAL WITH ADHESION TO POLYAMIDES
Low permeation barrier- and veneer -style multilayer fuel and air conditioning hoses are provided comprising an HNBR rubber layer directly bonded to a polyamide layer. A low extraction, peroxide cured HNBR thermoset rubber formulation is provided that directly bonds to polyamide thermoplastic during the vulcanization step without the need of external glue adhesive application.
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 25/08 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant du caoutchouc comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
B32B 25/14 - Produits stratifiés composés essentiellement de caoutchouc naturel ou synthétique comprenant des copolymères dans lesquels les composants en caoutchouc prédominent
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
34.
MOTOR COOLING USING IMPINGEMENT JETS CREATED BY PERFORATED COOLING JACKET
A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a cooling jacket including a plurality of perforations configured to cause refrigerant flowing through the perforations to form impingement jets and further configured to direct the impingement jets onto a surface adjacent a stator. The refrigerant compressor may be used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.
In some aspects, the techniques described herein relate to a refrigerant compressor, including: a first cooling line configured to cool power electronics; a second cooling line configured to cool a motor of the compressor; a first valve operable to selectively restrict flow through the first cooling line, wherein the first valve is mounted to a baseplate; and a second valve operable to selectively restrict flow through the second cooling line, wherein the second valve is mounted to the baseplate.
A heat exchanger includes: a manifold having a manifold opening passing through a pipe wall of the manifold; a distribution pipe disposed in the manifold and having a distribution pipe opening passing through a pipe wall of the distribution pipe; and a connecting pipe assembly including a first connecting pipe The first connecting pipe is inserted in the manifold opening, has an end connected to the distribution pipe at the distribution pipe opening, and is in fluid communication with the distribution pipe. Thereby, the space occupied by the connecting pipe assembly in the manifold can be reduced.
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
An electric power system includes direct voltage buses (101, 102) and at least two bus-tie links (103-105) each being connected between the direct voltage buses. Each bus-tie link has at least one capacitor (106-111) between positive and negative poles of the bus-tie link. At least one pole of each bus-tie link is connected via overcurrent protection devices (112-117), such as fuses, to respective poles (118, 119) of the direct voltage buses. The capacitors of the bus-tie links form a distributed capacitor storage that is capable of providing fault currents to the electric power system to operate overcurrent protection devices so that zonal selectivity is achieved. The electric power system can be for example an electric power system of a ship or another marine vessel.
H02H 7/26 - Protection sectionnelle de systèmes de câbles ou de lignes, p.ex. pour déconnecter une section dans laquelle un court-circuit, un défaut à la terre, ou une décharge d'arc se sont produits
A method (100) for producing a temperature sensor (200), the method (100) comprising: providing (101) a cable (103), wherein electrical conductor portions (105) are protruding from an end of the cable (103); connecting (107) at least one temperature sensor element (109) to the electrical conductor portions (105) protruding from the cable (103); providing (111) a sensor capsule (113); connecting (115) a proximal end surface of the sensor capsule (113) to the end of the cable (103), so that the sensor capsule (113) surrounds the at least one temperature sensor element (109); providing (117) at least one drain opening (119) in the sensor capsule (113) near a connection area (121) of the cable (103) and the sensor capsule (113); filling (123) up a volume (125) of the sensor capsule (113) with a thermally conducting ceramic filler (127); connecting (129) an end cap (131) to a distal end surface (133) of the sensor capsule (113); sealing (135) the drain opening (119).
G01K 7/02 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur utilisant des éléments thermo-électriques, p.ex. des thermocouples
H10N 10/80 - Dispositifs thermoélectriques comportant une jonction de matériaux différents, c. à d. dispositifs présentant l'effet Seebeck ou l'effet Peltier - Détails de structure
An atomizing nozzle arrangement (1) is described including a housing (2, 3) having an inlet, a valve seat (6), a valve element (7) interacting with the valve seat (6), restoring means (8) acting on the valve element (7), and an orifice (9), wherein the valve element 7 cooperates with a guidance element (12) which is arranged in a bore of the housing (2, 3). In such an atomizing nozzle arrangement noise should be kept low. To this end, a combination of the guidance element (12) and the valve element (7) includes a surface having a smooth transition in a direction away from the valve seat (6).
B05B 1/30 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour commander un débit, p.ex. à l'aide de conduits de section réglable
F16K 15/04 - Soupapes, clapets ou valves de retenue à corps de soupapes rigides guidés en forme de sphère
B05B 1/10 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour produire un jet, un pulvérisat ou tout autre écoulement de forme ou de nature particulière, p.ex. sous forme de gouttes individuelles sous forme d'un jet fin, p.ex. pour lave-glace d'automobiles
A connecting pipe assembly and a heat exchanger is disclosed. The connecting pipe assembly includes: a pipe; and a first flange extending towards a radial outside from an outer peripheral surface of the pipe. The pipe includes a first insertion pipe section located on one side of the first flange in an axial direction of the pipe. Thereby the quality of the heat exchanger is improved.
F28F 9/04 - Dispositions pour obturer des éléments dans les boîtes de distribution ou plaques d'extrémité
F16L 41/12 - Raccordements des tuyaux aux parois ou à d'autres tuyaux, dans lesquels l'axe du tuyau est perpendiculaire au plan de la paroi ou à l'axe de l'autre tuyau utilisant des moyens de fixation qui entourent le tuyau
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Downloadable software for compressor efficiency prediction and model selection Software as a service (SAAS) services featuring software for compressor efficiency prediction and model selection
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Downloadable software for compressor efficiency prediction and model selection Software as a service (SAAS) services featuring software for viewing through a web browser for compressor efficiency prediction and model selection; Providing temporary use of web-based software application for compressor efficiency prediction and model selection
Disclosed in the present invention is a heat exchanger. The heat exchanger comprises a first heat exchanger core body. The first heat exchanger core body comprises a plurality of heat exchange tubes extending in a first direction, and a plurality of fins alternately arranged with the heat exchange tubes in a second direction. The fins comprise a plurality of fin units arranged in the first direction. The fin units comprise fin unit main bodies, and window-opening sheets connected to the fin unit main bodies, wherein the included angle between at least some of the window-opening sheets and a plane defined by the first direction and a third direction is less than or equal to 45 degrees, and the third direction is perpendicular to the first direction and the second direction. The heat exchanger according to the present invention has an enhanced water removal performance when used as an evaporator.
F28D 1/047 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant courbées, p.ex. en serpentin ou en zigzag
F28F 1/34 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant obliquement
Disclosed in the present invention is an air conditioning system. The air conditioning system comprises an air conditioning subsystem, a phase change heat exchange subsystem, and a cross-system heat exchanger. The phase change heat exchange subsystem comprises a phase change material container, a phase change material accommodated in the phase change material container, and a heat exchange loop provided in the phase change material container. The cross-system heat exchanger comprises a first loop and a second loop. The first loop is connected to the air conditioning subsystem, so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first loop, and the second loop is connected to the heat exchange loop of the phase change heat exchange subsystem, so that a heat exchange medium in a loop consisting of the second loop and the heat exchange loop of the phase change heat exchange subsystem can selectively exchange heat with the phase change material accommodated in the phase change material container. According to the present invention, the heat exchange efficiency of the air conditioning system is improved, thereby saving energy.
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
F24F 8/10 - Traitement, p.ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p.ex. par filtrage
F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Downloadable software for remote monitoring of HVAC equipment; Computer hardware for remote monitoring of HVAC equipment Software as a service (SAAS) services featuring software for remote monitoring of HVAC equipment
47.
A METHOD FOR CONTROLLING A VAPOUR COMPRESSION SYSTEM AT LOW SUPERHEAT
A method for controlling a vapour compression system (1) is disclosed, the vapour compression system (1) comprising a compressor unit (2), a heat rejecting heat exchanger (3), an expansion device (4) and an evaporator (5) arranged in a refrigerant path. A superheat value of refrigerant leaving the evaporator (5) is derived, and a quantity being representative for a variance of the derived superheat value is calculated. A reference superheat value is calculated, based on the calculated quantity and on a minimum acceptable superheat value, by adding the calculated quantity to the minimum acceptable superheat value. The expansion device (4) is operated in accordance with the calculated reference superheat value, and in order to obtain a superheat of refrigerant leaving the evaporator (5) which is equal to the reference superheat value.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Software (downloadable); Software viewable through a web browser for compressor efficiency prediction and model selection. Software as a service (SAAS) services featuring software for viewing through a web browser for compressor efficiency prediction and model selection.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Software (downloadable) for compressor efficiency prediction and model selection. Software as a service (SAAS) services featuring software for compressor efficiency prediction and model selection.
09 - Appareils et instruments scientifiques et électriques
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Software (downloadable) for remote monitoring of HVAC equipment; Computer hardware for remote monitoring of HVAC equipment. Software as a service (SAAS) services featuring software for remote monitoring of HVAC equipment.
Disclosed in the present invention is a plate heat exchanger. The plate heat exchanger comprises: a plurality of heat transfer plates; and heat exchange spaces which are formed between adjacent heat transfer plates among the plurality of heat transfer plates, wherein the heat exchange spaces comprise a plurality of first heat exchange spaces for a first heat transfer medium, a plurality of second heat exchange spaces for a second heat transfer medium, and a plurality of third heat exchange spaces for a third heat transfer medium, each of the plurality of first heat exchange spaces and the plurality of second heat exchange spaces is adjacent to one or two of the plurality of third heat exchange spaces in the overlapping direction of the heat transfer plates, and the number of the plurality of first heat exchange spaces is different from the number of the plurality of second heat exchange spaces. By using the plate heat exchanger according to the embodiments of the present invention, the heat transfer area for each loop can be optimized, so as to improve the heat exchange efficiency.
F28D 9/04 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant formées par des plaques ou des laminés enroulés en spirale
F28F 3/08 - Eléments construits pour être empilés, p.ex. pouvant être séparés pour leur nettoyage
The present invention pertains to a valve for a refrigeration application, in particular a shut-off and/or regulating valve. The valve comprises a bonnet (1) connected to a housing (2) with two fluid openings (21, 22), a spindle (3) fully penetrating the bonnet and reaching inside the housing, and a piston (4) with an upper guiding and sealing portion (42) with a seal section (49), a bottom closing portion (41) for opening and closing a fluid passage (23) between the two fluid openings, and a piston tube (43) between the upper guiding and sealing portion and the bottom closing portion. The outer diameter of the piston tube is smaller than the outer diameters of the upper guiding and sealing portion and the bottom closing portion. The spindle engages the piston for moving it between a closed position and an open position of the valve. Additionally, a pressure balancing chamber (40) is provided above and within the piston, said pressure balancing chamber being connected to the fluid passage via a pressure balancing passage (31), wherein the piston is supported by the spindle and the bonnet during at least some or all open positions of the valve, and wherein the piston is sealed against the bonnet at the upper guiding and sealing portion.
F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
The present invention pertains to a valve for a refrigeration application, in particular a shut-off and/or regulating valve. The valve comprises a bonnet (1) connected to a housing with two fluid openings (21, 22), a spindle (3) and a piston (4) for opening and closing a fluid passage (23) between the two fluid openings. The spindle engages the piston for moving it between a closed position and an open position of the valve. A bottom closing portion (40) of the piston comprises an outer flange (46) and an inner flange (47) between which a sealing element (48) is provided, wherein the two flanges are connected to each other by means of at least one screw (49) and wherein a non-circular connector geometry (50) for connecting a tool is provided at the bottom side of the outer flange.
F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
The present invention pertains to a valve for a refrigeration application, in particular a shut-off and/or regulating valve. The valve comprises a bonnet (1) connected to a housing (2) with two fluid openings (21, 22), a spindle (3) fully penetrating the bonnet and reaching inside the housing, and a piston (4) with an upper guiding and sealing portion (42) with a seal section, a bottom closing portion (41) for opening and closing a fluid passage (23) between the two fluid openings, and a piston tube (43) between the upper guiding and sealing portion and the bottom closing portion. The spindle engages the piston for moving it between a closed position and an open position of the valve and a pressure balancing chamber (40) is provided above and within the piston. The piston is sealed against the bonnet at the upper guiding and sealing portion. An inner surface (13) of the bonnet guiding the upper guiding and sealing portion and/or an outer surface of the piston has a smaller diameter at a bottom portion than at an upper portion.
F25B 41/24 - Disposition de soupapes d'arrêt pour déconnecter une partie du cycle du réfrigérant, p.ex. une partie extérieure
F16K 31/50 - Moyens mécaniques d'actionnement à tige-guide filetée
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
The invention relates to a flow meter for fluids, the flow meter (10) comprising a central pipe (12) extending in a longitudinal direction (14) between a first pipe opening (16) and a second pipe opening (18), a first holding element (20) and a second holding element (22) being arranged in the central pipe (12), each holding element (20, 22) comprising at least one ultra-sound reflector (24, 26), the ultrasound reflectors (24, 26) being arranged such that an ultra-sound signal transmitted from a radial direction to at least one ultrasound reflector (24, 26) of the first holding element (20) is reflected towards at least one ultrasound reflector (24, 26) of the second holding element (22), and a first mounting element (30) and a second mounting element (32) for attaching the holding elements (20, 22) in the central pipe (12), at least one of the first and second mounting elements (30, 32) comprising at least one attachment section (44, 46) on two opposite sides for attaching the mounting element (30, 32) to the central pipe (12), wherein at least two grooves (38, 40) are arranged in the central pipe (12) on the first pipe opening (16) and/or the second pipe opening (18) and wherein the attachment sections (44, 46) of the two opposite sides of the mounting element (30, 32) are arranged in the grooves (38, 40) and at least one attachment section (44, 46) is locked in the longitudinal direction (14). The invention provides a flow meter (10) with an improved attachment of the holding elements to the central pipe.
G01F 1/66 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en mesurant la fréquence, le déphasage, le temps de propagation d'ondes électromagnétiques ou d'autres types d'ondes, p.ex. en utilisant des débitmètres à ultrasons
G01F 1/667 - Dispositions de transducteurs pour les débitmètres à ultrasons; Circuits pour faire fonctionner les débitmètres à ultrasons
In some aspects, the techniques described herein relate to a refrigerant compressor, including: a stator; a rotor configured to rotate with respect to the stator; and at least one step seal between the rotor and the stator, wherein the step seal includes a first tooth and a second tooth extending from the rotor toward the stator, wherein a downstream surface of the first tooth and an upstream surface of the second tooth are arranged at an angle relative to one another, wherein the angle is less than 90°.
F01D 11/02 - Prévention ou réduction des pertes internes du fluide énergétique, p.ex. entre étages par obturation non contact, p.ex. du type labyrinthe
A heat exchanger includes: a header, having a first end and a second end which are opposite each other, and further having an inner cavity; a plurality of heat exchange tubes arranged in an axial direction of the header, with ends of the plurality of heat exchange tubes being connected to the header; and a connecting tube, the connecting tube having a connecting part and a supply part which is connected to the connecting part and also connected to the first end of the header, the supply part being configured such that a flow direction of a heat exchange medium supplied to a predetermined number of heat exchange tubes through the inner cavity of the header is not parallel to an axis of the header, the predetermined number of heat exchange tubes being a predetermined number of heat exchange tubes counted from the first end of the header. By using the heat exchanger according to the embodiments of the present disclosure, heat exchanger performance can be improved.
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement
A hydraulic system can include a hydraulic actuator including a piston rod slidably disposed within a housing having a base-side port and a rod-side port, a hydraulic pump, a hydraulic reservoir, an accumulator, a first control valve operable to selectively control flow from the pump to the base-side port and from the base-side port to the reservoir, a second control valve operable to selectively control flow from the pump to the rod-side port and from the rod-side port to the reservoir, a third control valve operable to selectively allow flow between the base-side port and the accumulator, and a controller for operating the hydraulic system and including a ride control mode in which damping is provided to the hydraulic actuator by operation of the first, second, and third control valves.
E02F 9/22 - Entraînements hydrauliques ou pneumatiques
F15B 1/26 - Réservoirs d'alimentation ou de pompage
F15B 13/04 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs pour utilisation avec un servomoteur unique
F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs
F15B 11/08 - Systèmes de servomoteurs dépourvus d'asservissement avec un seul servomoteur
A piston (1) having a piston shaft (2), a ball head (3) at one end of the piston shaft (2), and a slider shoe (4) mounted to the ball head (3), wherein the ball head (3) has a through channel (5), the slider shoe (4) has a sliding surface (6) and a through hole (7) in communication with an end of the through channel (5), and a plastic material (8) is arranged in a gap between the slider shoe (4) and the ball head (3) and forms an inner coating (9) of the through hole (7). The production of such a piston should be facilitated. To this end a sealing surface (14) is arranged at the end of the through channel (5) wherein the sealing surface (14) surrounds the opening of the through channel (5) into the through bore (7) and an inner diameter of the sealing surface (14) is smaller than an inner diameter of the inner coating (9) of the through bore (7).
F16L 27/04 - Raccords universels, c. à d. avec une liaison mécanique permettant un mouvement angulaire ou un réglage des axes des parties raccordées dans une direction quelconque avec surfaces de contact partiellement sphériques
F16J 1/04 - Parties élastiques de guidage, p.ex. jupes, en particulier pour les pistons à fourreau
A housing for a refrigerant compressor may include a first portion made of a metallic material and surrounding moving parts of the refrigerant compressor. The housing may further include a second portion mounted to the first portion and surrounding non-moving, electronic parts of the refrigerant compressor. The second portion is made of a plastic material.
A positioning device (101) for producing a position signal indicative of a rotational position of a resolver is disclosed. The positioning device includes a signal interface (102) for receiving alternating signals (V_cos, V_sin) from the resolver and a processing system (103) for generating the position signal based on position-dependent amplitudes of the alternating signals and on polarity information indicative of a polarity of an excitation signal (V_exc) of the resolver. The processing system is configured to recognize a polarity indicator, such as a change of frequency or phase, on a waveform of one or both of the alternating signals and to determine the polarity information based on the recognized polarity indicator. Thus, the polarity information related to the excitation signal is included in the alternating signals and therefore there is no need for a separate signaling channel for transferring the polarity information to the positioning device.
H02P 21/06 - Commande basée sur le flux rotorique impliquant l’utilisation de détecteurs de position ou de vitesse du rotor
H02K 19/36 - Association structurelle de génératrices synchrones à des appareils électriques auxiliaires agissant sur les caractéristiques de la génératrice ou en assurant la commande, p.ex. à des impédances ou des interrupteurs
66.
A METHOD FOR GENERATING EARLY TEMPERATURE WARNING IN A VAPOUR COMPRESSION SYSTEM
A method for operating a vapour compression system (1) is disclosed. A cut-in temperature, a high temperature alarm limit and a high temperature alarm delay time are set. A maximum acceptable relative decay value is derived, based on the high temperature alarm limit and the high temperature alarm delay time. The vapour compression system (1) is operated while monitoring a temperature inside a refrigerated volume and continuously deriving a weighted mean temperature prevailing inside the refrigerated volume, during a moving time window of a predefined length. In the case that the weighted mean temperature inside the refrigerated volume exceeds the cut-in temperature, a timer is started, and a delay time is derived, based on the weighted mean temperature and the maximum acceptable relative decay value. A warning is generated when the timer reaches the derived delay time.
F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p.ex. pour faire varier la puissance frigorifique disposés en parallèle
F25B 49/00 - Disposition ou montage des dispositifs de commande ou de sécurité
F25D 29/00 - Disposition ou montage de l'appareillage de commande ou de sécurité
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
67.
ROTOR TUBE ASSEMBLY FOR A FLUID VALVE ACTUATOR AND METHOD FOR ASSEMBLING A ROTOR TUBE ASSEMBLY
The present invention pertains to a rotor tube assembly for a fluid valve actuator. The rotor tube assembly comprises a bearing housing assembly, a lead screw with a bottom shoulder, a rotor sleeve assembly with a non-block assembly, a bushing and a rotor tube. The lead screw is provided at least partially inside the bearing housing assembly, the rotor sleeve assembly, the bushing and the rotor tube. The bottom shoulder abuts the bearing housing assembly and the lead screw comprises a bottom threaded portion on one side of the bottom shoulder and on the other side of the bottom shoulder and in this given order a bottom coupling portion for coupling the bearing housing assembly to the lead screw, a central coupling portion for coupling the rotor sleeve assembly to the lead screw, and an upper coupling portion for coupling the bushing to the lead screw. The bottom shoulder has a larger outer diameter than the coupling portions, the bottom coupling portion has a larger outer diameter than or the same diameter as the central coupling portion and the upper coupling portion has a smaller diameter than or the same diameter as the bottom coupling portion and the central coupling portion. The invention is also directed at a method for assembling a rotor tube assembly.
F16K 31/04 - Moyens de fonctionnement; Dispositifs de retour à la position de repos magnétiques utilisant un moteur
H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
F16K 1/54 - Dispositifs pour modifier la façon dont le débit varie pendant le fonctionnement de la soupape
F16K 31/50 - Moyens mécaniques d'actionnement à tige-guide filetée
F16K 1/02 - Soupapes ou clapets, c. à d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à tige filetée
F16K 27/02 - Structures des logements; Matériaux utilisés à cet effet des soupapes de levage
Disclosed in the present invention are a header assembly for a heat exchanger, and a heat exchanger. The header assembly includes: a header, having: a header wall, and a recess on the header wall or an opening penetrating the header wall at an end of the header wall; an end cap disposed at the end of the header wall to close the end of the header, the end cap having a hole, the opening or recess being at a side of the end cap that faces an end face of the end of the header wall; a distribution pipe, comprising a distribution part and a connection part, the connection part projecting from the end cap through the hole of the end cap from the distribution part; and a positioning member having a first end and a second end, the first end of the positioning member being connected to the connection part of the distribution pipe, and the second end of the positioning member being engaged in the opening or recess of the header wall of the header. By using the header assembly and the heat exchanger according to the embodiments of the present invention, the quality of the heat exchanger may be improved.
F28F 9/013 - Supports auxiliaires pour les éléments pour les tubes ou les assemblages de tubes
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
69.
REFRIGERANT COMPRESSOR WITH IMPELLER HAVING BLADES WITH WAVY CONTOUR
This disclosure relates to a refrigerant compressor including an impeller. The impeller has a blade with a wavy contour. The wavy contour reduces flow separation relative to smooth, non-wavy blades. In particular, the disclosed wavy contour creates smaller trailing edge vortexes adjacent the blades. In turn, the wavy contour of the blades improves overall compressor efficiency.
The invention relates to pseudo-stationary angular position encoding device (1, 12, 20) that comprises at least a light source (2), a first polarisation device (4), a second polarisation device (5), and a light intensity detecting device (3). First and second polarisation device (4, 5) are arranged rotatably relative to each other. The pseudo-stationary angular position encoding device (1, 12, 20) is arranged in a way that light emanating from the light source (2) passes through the first and second polarisation device (4, 5) and illuminates the light intensity detecting device (3).
G01D 5/34 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensible; Moyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminé; Transducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c. à d. utilisant de la lumière infrarouge, visible ou ultraviolette avec atténuation ou obturation complète ou partielle des rayons lumineux les rayons lumineux étant détectés par des cellules photo-électriques
71.
HEAT EXCHANGE ASSEMBLY FOR HEAT EXCHANGER AND HEAT EXCHANGER
A heat exchange assembly (1) for a heat exchanger (100) and a heat exchanger (100) comprising the heat exchange assembly (1). The heat exchange assembly (1) comprises: a heat exchange tube (10) through which a heat transfer medium flows, the heat exchange tube (10) being plate-shaped and having a first surface (11) and a second surface (12) opposite to each other in the thickness direction of the heat exchange tube (10); and a plurality of fins (15) protruding from at least one of the first surface (11) and the second surface (12) of the heat exchange tube (10). The heat exchange assembly (1) is easy to manufacture, and the process for manufacturing the heat exchanger (100) is simple, so that the production cost can be reduced.
F28F 1/02 - Eléments tubulaires de section transversale non circulaire
F28F 1/16 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant longitudinalement les moyens faisant partie intégrante de l'élément, p.ex. formés par extrusion
Disclosed is a plate heat exchanger. The plate heat exchanger comprises a plurality of heat transfer plates, the plurality of heat transfer plates comprising: a first heat transfer plate, comprising protrusions protruding upward, the protrusions having a top; and a second heat transfer plate stacked on the first heat transfer plate, the second heat transfer plate comprising recesses recessed downward, the recesses having a bottom. The tops of the protrusions have a concave portion which is sunken downward, and at least part of the bottoms of the recesses of the second heat transfer plate is disposed in the concave portion of the tops of the protrusions of the first heat transfer plate. It is thus possible to improve the weld quality of the heat exchanger.
F28F 3/02 - Eléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des évidements, avec des ondulations
The present invention relates to a plate-and-shell heat exchanger (100) having a stack of plate pairs (50, 60) positioned in a shell (20), where the stack of plate pairs (50, 60) includes a plurality of plate pairs of a first type (50) and a plurality of plate pairs of a second type (60). Each plate pair (50, 60) has two heat transfer plates (10) being connected to each other and forming a cavity (11) there between, and forming an inlet opening (13a, 13b) and an outlet opening (13′a, 13′b). First inner flow paths (12a) are formed through the first inlet openings (13a), the cavities (11) of the plate pairs of the first type (50) and the first outlets (13′a). Second inner flow paths (12b) are formed through the second inlet openings (13b), the cavities (11) of the plate pairs of the second type (60) and the second outlets (13′b). A third outer flow path (22) is defined within the shell and between plate pairs of the first type (50) and plate pairs of the second type (60).
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p.ex. aménagement des plaques de guidage
The present invention relates to a plate element (2) having a first heat transfer plate (10) and a second heat transfer plate (20), the first heat transfer plate (10) and the second heat transfer plate (20) being connected to each other to form the plate element (2). Each of the first heat transfer plate (10) and the second heat transfer plate (20) is formed of a plate body with a main part with a heat exchanging portion (40) formed with a surface pattern (45). The first heat transfer plate (10) is formed with a first set of openings (3a, 3d) in first extension sections (50) reaching out from the main part of the plate body, and the second heat transfer plate (20) is formed with a second set of openings (3b, 3c) in second extension sections (50) reaching out from the main part of the plate body. The first extension sections (50) of the first heat transfer plate (10) and the second extension sections (50) of the second heat transfer plate (20) are positioned such that the first set of openings (3a, 3d) and the second set of openings (3b, 3c) are not overlapping. The present invention further relates to a plate heat exchanger (1).
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F28F 21/06 - Structure des appareils échangeurs de chaleur caractérisée par l'emploi de matériaux spécifiés de matériau plastique
F28F 21/08 - Structure des appareils échangeurs de chaleur caractérisée par l'emploi de matériaux spécifiés de métal
75.
HEATING SYSTEM WITH AUTOMATIC DIFFERENTIAL PRESSURE SETTING
A method for balancing a heating system (1) is provided, the heating system (1) comprising a heat exchanging unit (2), a pressure regulation unit (3), a main flow controller (10a) and at least one heat consuming device (4), where heat exchange takes place in the heat exchanging unit (2) between a primary side fluid and a secondary side fluid, where secondary side fluid is supplied to the at least one heat consuming device (4), and where the pressure regulation unit (3) is arranged to control a differential pressure in a part of the heating system (1). A differential pressure is changed in a part of the heating system (1), by means of the pressure regulation unit (3), until a flow rate corresponding to a nominal flow rate is obtained in the part of the heating system (1). The differential pressure which results in the nominal flow rate is selected as a differential pressure setting for the pressure regulation unit (3).
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises a cooling plate (2) and an electrolyte plate (3a, 3c) defining an electrolyte flow path (6a, 6c) between them. The electrolyte plate (3a, 3c) is formed with at least one electrolyte fluid inlet (8in, 9in) at a first end section and at least one gas outlet (8out, 9out) at a second, opposite end section and defines an active area between the first end section and the second end section. At least one of the at least one gas outlet (8out, 9out) is partly surrounded by an outlet blockade (28) with an opening (29) formed therein, allowing gas only to leave the second end section towards the at least one gas outlet (8out, 9out) via the opening (29) in the outlet blockade (28).
C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/67 - Moyens de chauffage ou de refroidissement
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytes; Régénération des électrolytes
77.
CASSETTE FOR ELECTROLYZER WITH POROUS ELECTROLYTE PLATE
An electrolyte plate (3a, 3c) for an electrolyzer cassette (1), the electrolyzer cassette (1) further comprising at least one cooling plate (2), is disclosed. The electrolyte plate (3a, 3c) is formed with at least one opening (7in, 7out) for a cooling fluid to pass the electrolyte plate (3a, 3c), at least one electrolyte fluid inlet (8in, 9in) for an electrolytic fluid to pass the electrolyte plate (3a, 3c), and at least one gas outlet (8out, 9out) for a gas to pass the electrolyte plate (3a, 3c). A porous area is formed between the at least one electrolyte fluid inlet (8in, 9in) and the at least one gas outlet (8out, 9out), the porous area being formed with openings (11) adapted to pass gas across the electrolyte plate (3a, 3c) between a membrane (4) to be positioned at the one side of the electrolyte plate (3a, 3c), and an electrolyte fluid path (6a, 6c) positioned at the other side of the electrolyte plate (3a, 3c).
C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/67 - Moyens de chauffage ou de refroidissement
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytes; Régénération des électrolytes
C25B 11/02 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme
C25B 11/03 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme perforées ou foraminées
C25B 9/75 - Assemblages comprenant plusieurs cellules du type filtre-presse avec une électrode bipolaire
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises two cooling plates (2) and two electrolyte plates (3a, 3c), where the two cooling plates (2) contact each other (18) at one surface and form a cooling flow path (5) between them, and each cooling plate (2) contacts one of the electrolyte plates (3a, 3c) at the other, opposite surface and form electrolyte flow paths (6a, 6c) between the cooling plates (2) and the respective electrolyte plates (3a, 3c). The cassette (1) further comprises at least one contact column (19) establishing a connection between at least one of the cooling plates (2) and at least one of the electrolyte plates (3a, 3c).
C25B 9/21 - Cellules comprenant des électrodes fixes de dimensions stables; Assemblages de leurs éléments de structure avec des diaphragmes avec plusieurs diaphragmes
C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
C25B 9/67 - Moyens de chauffage ou de refroidissement
C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytes; Régénération des électrolytes
A hydraulic steering system (1) is described. The hydraulic steering system (1) comprises a steering motor (2) and a joystick (3) having a housing (4), a handle (5) mounted movably to the housing (4), a handle angle sensor (6) and return to center means (7) producing a restoring force on the handle (5), wherein the return to center means (7) produces a variable restoring force depending on an angle of the handle (5) and/or on a signal at an input (8) of the return to center means (7) for a parameter of a vehicle to be steered and the joystick (3) can be operated in a first mode, in which the operator operates the joystick to determine the direction into which the vehicle is steered and the return to center means (7) produce a restoring force on the handle (5) in a direction towards a neutral position of the handle (5). Such a system should help an operator to steer a vehicle in a safe manner. To this end the joystick (3) can be operated in a second mode, in which the vehicle can be steered by a GPS-System, wherein in the second mode the return to center means (7) move the handle (5) in a position corresponding to a steering angle of the steering motor (2).
B62D 5/09 - Direction assistée ou à relais de puissance à fluide, c. à d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule caractérisée par les moyens d'actionnement des valves
B62D 15/02 - Indicateurs de direction ou aides de direction
80.
HEATING NETWORK WITH HEATING AND COOLING APPLICABILITY
The present invention relates to a heating system (1) comprising main lines (2, 3) with a main supply line (2) adapted to feed thermal energy to heat transferring devices by a main heating or cooling fluid, and main return line (3) 5 adapted to return cooled or heated heating fluid, where a hot connection of a second part (8) of a thermal transfer unit (6) via a second main branch line (12) is connected to the main supply line (2) and a second part (8) cold connection via a first main branch line (11) to the main return line (3) and where a cold connection of a first part (7) of the thermal transfer unit (6) is connected 10 upstream and a hot connection of the first part (7) is connected downstream of the heat transferring devices and where in the thermal transfer unit (6) thermal energy is transferred from fluid flowing from the first part (7) hot connection to cold connection and is transferred to the fluid flowing from the cold connection to the hot connection in the second part (8).
F24D 11/00 - Systèmes de chauffage central utilisant la chaleur accumulée dans des matériaux accumulateurs
F24D 19/10 - Aménagements ou montage des dispositifs de commande ou de sécurité
F24H 15/429 - Commande des appareils de chauffage de fluides caractérisée par le type des unités de commande utilisant un traitement électronique, p.ex. par ordinateur utilisant des données préenregistrées pour la sélection de modes de fonctionnement
A separating element (10a, 10b) adapted to be positioned in connection to a heat exchanger unit (1, 1a, 1b, 1c) of a sectioned heat exchanger (100) is disclosed. The separating element (10a, 10b) has first openings (11a, 11b) adapted to align with first heat exchanger openings (3a, 3b) forming inlets of a first flow path (A) and a second flow path (B), respectively, through the heat exchanger unit (1, 1a, 1b, 1c). The separating element (10a, 10b) further includes second openings (11c, 11d) adapted to align with second heat exchanger openings (3c, 3d) forming outlets of the first flow path (A) and the second flow path (B), respectively. The first openings (11a, 11b) are formed with first valves (12a, 12b) adapted to close for fluid flow to the first (A) and/or the second (B) flow path through the heat exchanger unit (1, 1a, 1b, 1c), and the second openings (11c, 11d) are formed with second valves (17a, 17b) adapted to close for fluid flow from the first (A) and/or second (B) flow path. The first valves (12a, 12b) are formed with valve stems (13a, 13b), each operated by an actuator (14a, 14b), and the second valves (17a, 17b) are connected to the same valve stems (13a, 13b) as the first valves (12a, 12b), thereby providing coordinated control of the first valves (12a, 12b) and the second valves (17a, 17b).
F28D 1/03 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec des canalisations en forme de plaques ou de laminés
F28F 27/02 - Commandes ou dispositifs de sécurité spécialement adaptés pour les appareils d'échange ou de transfert de chaleur pour commander la répartition des sources de potentiel calorifique entre des canaux différents
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
82.
HEATING SYSTEM WITH OPTIMIZING FUNCTION FOR OPERATING PARAMETERS
222222, a simulation procedure is initiated, in which a parametrized model (210) of at least the heat exchanging unit (2) is provided (120), operational data is measured in the heating system (1) and provided to the parametrized model (210); an operating point where the heat exchanging unit (2) operates at steady state is estimated, by means of the parametrized model (210). - based on the provided measured operational data, at least one operating parameter for the controller which is defined by the estimated operating point is provided to the controller (5) and the heating system (1) is operated based on the provided at least one operating parameter.
A membrane assembly for an electrolyzer cassette (1) is provided. The membrane assembly comprises a membrane (4) and a gasket arrangement comprising a first gasket part (13) and a second gasket part (14). The membrane (4) is arranged between the first gasket part (13) and the second gasket part (14), and the gasket arrangement comprises a locking arrangement (15, 16) for fixating the first gasket part (13), the membrane (4) and the second gasket part (14) relative to each other. The invention further relates to an electrolyzer cassette (1) comprising such a membrane assembly and to a method for assembling such a membrane assembly.
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises two cooling plates (2) contacting each other and forming a cooling flow path (5) between them, and two electrolyte plates (3a, 3c), each electrolyte plate (3a, 3c) contacting one of the cooling plates (2). At least a section of the cooling flow path (5) is split into cooling cells (17) each connecting to a cooling cell supply channel (20) via a cooling cell inlet (21) and to a cooling cell return channel (22) via a cooling cell outlet (23), forming a cooling flow path through each cooling cell (17) from the cooling cell inlet (21) to the cooling cell outlet (23). The cooling cells (17) are distributed across the cooling plates (2) along two directions.
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises two cooling plates (2) and two electrolyte plates (3a, 3c), in the form of an anodic electrolyte plate (3a) and a cathodic electrolyte plate (3c). The two cooling plates (2) contact each other at one surface forming a cooling flow path (5) between them. Each of the cooling plates (2) contacts an electrolyte plate (3a, 3c) at the other, opposite surface and forming an anodic electrolyte flow path (6a) between one of the cooling plates (2) and the anodic electrolyte plate (3a) and a cathodic electrolyte flow path (6c) between the other cooling plate (2) and the cathodic electrolyte plate (3c). The electrolyte plates (3a, 3c) and cooling plates (2) are each formed with cooling openings (7in, 7out) for a cooling fluid to pass the plate (2, 3a, 3c), at least one anodic electrolyte fluid inlet (8in) for an anodic electrolytic fluid to pass the plate (2, 3a, 3c), at least one cathodic electrolyte fluid inlet (9in) for a cathodic electrolyte fluid to pass the plate (2, 3a, 3c), at least one anodic gas outlet (8out) for an anodic gas to pass the plate (2, 3a, 3c), and at least one cathodic gas outlet (9out) for a cathodic gas to pass the plate (2, 3a, 3c).
A cassette (1) for an electrolyzer is disclosed. The cassette (1) comprises a cooling plate (2) and an electrolyte plate (3a, 3c) defining an electrolyte flow path (6a, 6c) between them. The electrolyte plate (3a, 3c) is formed with at least one electrolyte fluid inlet (8in, 9in) at a first end section and at least one gas outlet (8out, 9out) at a second, opposite end section and defines an active area between the first end section and the second end section. An inner gas barrier (26) is formed between the second end section with the at least one gas outlet (8out, 9out) and the active area, and the inner gas barrier (26) is formed with a drain (27).
The present invention relates to an insert element (200) for a pressure-controlled valve (100) with a flow path from a fluid inlet (101) to a fluid outlet (102), the flow path passing a valve chamber (116). The insert element (200) is formed with a housing contacting part (205) adapted to be positioned in relation to an opening (300) within the pressure-controlled valve (100), the housing contacting part (205) being formed with an insert inlet opening (210) adapted to be positioned as part of the flow path. The insert element (200) further comprises a flow diverting surface (215) positioned at a distance to the housing contacting part (205), the flow diverting surface (215) defining a main part extending at an angle relative to a direction of an output flow of fluid from the insert inlet opening (210).
G05D 16/06 - Commande de la pression d'un fluide sans source d'énergie auxiliaire l'élément sensible étant un organe élastique cédant à la pression, p.ex. un diaphragme, un soufflet, une capsule
88.
HEAT EXCHANGER AND AIR CONDITIONING SYSTEM HAVING SAME
Disclosed in the present invention are a heat exchanger and an air conditioning system having same. The heat exchanger comprises: a header pipe extending in a first direction, the header pipe having a first opening penetrating a pipe wall of the header pipe; a tubular member arranged side by side with the header pipe, the tubular member having a second opening penetrating a pipe wall of the tubular member; and a connecting pipe assembly, wherein the connecting pipe assembly comprises a connecting pipe, the connecting pipe extending in a second direction that intersects with the first direction and being provided with a first end portion and a second end portion which are opposite each other, and the connecting pipe assembly further comprises a first flange portion and a second flange portion which extend radially outwards from the first end portion and the second end portion, respectively. The surface of the first flange portion that faces the header pipe is connected to an outer surface of the pipe wall of the header pipe, and the surface of the second flange portion that faces the tubular member is connected to an outer surface of the pipe wall of the tubular member, so that the header pipe and the tubular member are in fluid communication by means of the first opening, the connecting pipe and the second opening. Therefore, the quality of the heat exchanger is improved, and the process difficulty is reduced.
Disclosed in the present invention are a heat exchanger assembly and an air conditioning system having the heat exchanger assembly. The heat exchanger assembly comprises: a first heat exchanger portion and a second heat exchanger portion; and a control valve, the control valve having an open position and a closed position, at the open position, the first heat exchanger portion being in fluid communication with the second heat exchanger portion by means of the control valve, and at the closed position, the first heat exchanger portion being in fluid isolation with the second heat exchanger portion by means of the control valve. By using the heat exchanger assembly of the present invention, performance of the air conditioning system can be improved.
An improved quick release coupling is provided. The quick release coupling enables higher fluid flow rates and lower pressure drops. The quick release coupling is configured to be a connection and disconnection under high pressure conditions on one or both of the male and the female sides of the coupling. The quick release coupling enables intentional manual disconnection as well as breakaway disconnection under high working pressures.
F16L 37/23 - Accouplements du type à action rapide dans lesquels l'assemblage est maintenu par des billes, rouleaux ou ressorts hélicoïdaux sous pression radiale entre parties au moyen de billes
F16L 37/62 - Accouplements du type à action rapide actionnés pneumatiquement ou hydrauliquement
91.
CONTROL ARCHITECTURE FOR PRIME MOVER STALL PREVENTION
A method for preventing prime mover stall for a work machine including a hydraulic system having a plurality of control valves served by a hydraulic pump. The method can include determining an actual required flow rate value for the plurality control valves and a total maximum flow rate to the plurality of control valves that will enable the prime mover to operate without stalling. The method can also include operating the plurality of control valves such that the combined total flow of the plurality control valves is at or below the total maximum flow rate such that the pump operates at a condition below which prime mover stall will occur. The method can also include setting a flow sharing allocated specific criteria in which the flow reduction takes place during a flow saturation condition for each of the plurality of control valves such that the total sum of the flow rates (calculated based on the criteria) is equal to or less than the total maximum flow rate.
The present disclosure discloses a heat exchanger and an air conditioning system having the heat exchanger. The heat exchanger includes a first heat exchanger core, a second heat exchanger core and a connection part. Heat exchange tubes of the first heat exchanger core and the second heat exchanger core include first circuit heat exchange tubes. A length of the heat exchange tube of the first heat exchanger core is greater than a length of the heat exchange tube of the second heat exchanger core. The connection part includes a first connection part through which the first circuit heat exchange tubes of the first heat exchanger core are connected with the first circuit heat exchange tubes of the second heat exchanger core. The heat exchange tubes of at least one of the first heat exchanger core and the second heat exchanger core further include second circuit heat exchange tubes. First circuit heat exchange tube groups each constituted by at least one of the first circuit heat exchange tubes and second circuit heat exchange tube groups each constituted by at least one of the second circuit heat exchange tubes are arranged alternately. Thereby, the heat exchange performance can be improved at both partial load and full load.
F28D 1/053 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
F28F 1/10 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements
F28F 9/00 - Carters; Boîtes de distribution; Supports auxiliaires pour les éléments; Eléments auxiliaires dans les carters
93.
A METHOD FOR MONITORING A REFRIGERANT CHARGE IN A VAPOUR COMPRESSION SYSTEM
A method for monitoring a refrigerant charge in a vapour compression system (1) is disclosed, the vapour compression system (1) including a compressor unit (2), a heat rejecting heat exchanger (3), a high pressure expansion device (4), a receiver (5), at least one expansion device (9, 10), and at least one evaporator (11, 12) arranged in a refrigerant path. A change in net mass flow into or out of the receiver (5) and/or a change in net enthalpy flow into or out of the receiver (5) is detected, and a pressure inside the receiver (5) is monitored as a function of time, following the detected change in net mass flow and/or in net enthalpy flow. A time constant being representative for dynamics of the receiver (5) is derived, based on the monitored pressure as a function of time, and information regarding a refrigerant charge in the vapour compression system (1) is derived, based on the derived time constant.
Disclosed in the present invention are a heat exchange assembly and an air conditioning system having same. The heat exchange assembly comprises a heat exchanger and a water guide device. The heat exchanger comprises a first heat exchanger core and a second heat exchanger core. The first heat exchanger core comprises a plurality of first heat exchange tubes, the second heat exchanger core is located on one side of the first heat exchanger core in a thickness direction of the first heat exchanger core and comprises a plurality of second heat exchange tubes, and a lower edge of the second heat exchanger core is higher than a lower edge of the first heat exchanger core. The water guide device comprises a first water guide device, at least part of which is arranged below the second heat exchanger core for receiving and guiding condensed water from the second heat exchanger core. The heat exchange assembly and the air conditioning system according to the present invention reduce the risk of the condensed water being blown out of the heat exchanger core having a higher lower edge.
A heat exchange plate for use in a plate-type heat exchanger, and a plate-type heat exchanger having same. The heat exchange plate having a heat exchange portion and a port portion; fluids having different temperatures exchange heat with each other by means of the heat exchange portion; an opening used as the port of the heat exchanger is formed in the port portion. The heat exchange plate includes a first side and a second side in a direction perprendicular to the heat exchange plate; the port portion is provided with a contact porition that is in contact with the port portion of another heat exchange plate at the first side, and a protrusion protruding towards the second side relative to the contact portion. The heat exchange plate and the plate-type heat exchanger of the embodiments of the present invention can, for example, improve the quality of the port portion of the heat exchange plate of the heat exchanger.
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
F28F 3/04 - Eléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des évidements, avec des ondulations les moyens faisant partie intégrante de l'élément
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Motors and engines (except for land vehicles); pumps; valves; pistons; control mechanisms for machines, engines, or motors; hydraulic components for the operation of work functions for off highway equipment Software for controlling pumps; electronic controllers Motors and engines for land vehicles
Embodiments of the present invention disclose a heat exchanger and an air-conditioning system. The heat exchanger includes heat exchange tubes. The heat exchange tubes have first heat exchange tubes configured to form a first circuit, and second heat exchange tubes configured to form a second circuit. With the heat exchanger and the air-conditioning system according to the embodiments of the present invention, for example, a heat exchange capacity of the heat exchanger in a part load condition is improved.
F28F 1/12 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28F 1/24 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant transversalement
F28F 1/14 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant longitudinalement
F28D 1/04 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires
Embodiments of the present invention disclose a heat exchanger and an air-conditioning system. The heat exchanger includes heat exchange tubes. The heat exchange tubes have first heat exchange tubes configured to form a first circuit, and second heat exchange tubes configured to form a second circuit. With the heat exchanger and the air-conditioning system according to the embodiments of the present invention, for example, a heat exchange capacity of the heat exchanger in a part load condition is improved.
F28F 1/12 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire
F28F 9/02 - Boîtes de distribution; Plaques d'extrémité
F28F 1/24 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant transversalement
F28F 1/14 - Eléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p.ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant longitudinalement
F28D 1/04 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source d avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires
100.
FOUR-WAY VALVE FOR A HEAT-PUMP ARRANGEMENT AND HEAT-PUMP ARRANGEMENT
The present invention pertains to a four-way valve for a heat-pump arrangement. The valve comprises a housing with four fluid connection ports, a rotatable valve element for switching the connections between the fluid connection ports, an actuator for rotating the valve element and sensor components on a low pressure side and a high pressure side of the valve for measuring properties of the fluid inside the housing. The invention is also directed at a heat-pump arrangement comprising a corresponding four-way valve and a housing for a four-way valve.
F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
F16K 11/074 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture articulés à pivot à faces d'obturation planes
F16K 27/04 - Structures des logements; Matériaux utilisés à cet effet des tiroirs
F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
F25B 41/26 - Disposition des soupapes, p.ex. de soupapes marche-arrêt ou de soupapes de régulation de débit de soupapes d’inversion du flux de fluide
